For reducing noise pollution, we adopted a new technology of perforated aluminium panel sound-absorbent wall with centrifugally glass-wool inside for a certain office building complex project.
在某综合办公楼工程中，为减少噪声污染，我们采用了穿孔铝板、内填离心玻璃隔音棉的吸音墙面的新技术。
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When the panel surface is soiled, wipe it with absorbent cotton or other soft cloth.